package thinkingInJava.io;

//: io/TransferTo.java
//Using transferTo() between channels
//{Args: TransferTo.java TransferTo.txt}
import java.nio.channels.*;
import java.io.*;

public class TransferTo {
	public static void main(String[] args) throws Exception {
		if(args.length != 2) {
			System.out.println("arguments: sourcefile destfile");
			System.exit(1);
		}
		FileChannel
		in = new FileInputStream(args[0]).getChannel(),
		out = new FileOutputStream(args[1]).getChannel();
		in.transferTo(0, in.size(), out);
		// Or:
		// out.transferFrom(in, 0, in.size());
	}
} ///:~
